4-氯-7-(苯基磺酰基)-7h-吡咯并[2,3-d]嘧啶

7-苯磺酰基-5-溴-4-氯-7H-吡咯并[2,3-d]嘧啶

4-(1-哌嗪)-1H-吡咯并[2,3-d]嘧啶

7-苯磺酰基-4-氯-6-甲基-7H-吡咯并[2,3-d]嘧啶

7H-吡咯并[2,3-D]嘧啶